Sigma metric is more correlated with analytical imprecision than bias
Author:
Affiliation:
1. Engineering Cluster , Singapore Institute of Technology , Singapore , Singapore
2. Laverty Pathology , North Ryde , NSW , Australia
3. Department of Laboratory Medicine , National University Hospital , Singapore , Singapore
Publisher
Walter de Gruyter GmbH
Link
https://www.degruyter.com/document/doi/10.1515/cclm-2024-0882/pdf
Reference5 articles.
1. Badrick, T, Theodorsson, E. Six Sigma – is it time to re-evaluate its value in laboratory medicine? Clin Chem Lab Med 2024;11. https://doi.org/10.1515/cclm-2024-0377 [E-pub ahead of print].
2. Jones, GR. The role of EQA in harmonization in laboratory medicine – a global effort. Biochem Med 2017;27:23–9. https://doi.org/10.11613/bm.2017.004.
3. Royal College of Pathologists Australasia Quality Assurance Programs. Chemical pathology analytical performance specifications. https://rcpaqap.com.au/wp-content/uploads/2021/02/RCPA_301338_Chemical-Pathology-APS-Document.pdf [Accessed 27 July 2024].
4. Tan, RZ, Markus, C, Vasikaran, S, Loh, TP, APFCB Harmonization of Reference Intervals Working Group. Comparison of 8 methods for univariate statistical exclusion of pathological subpopulations for indirect reference intervals and biological variation studies. Clin Biochem 2022;103:16–24. https://doi.org/10.1016/j.clinbiochem.2022.02.006.
5. Badrick, T, Miller, WG, Panteghini, M, Delatour, V, Berghall, H, MacKenzie, F, et al.. Interpreting EQA-understanding why commutability of materials matters. Clin Chem 2022;68:494–500. https://doi.org/10.1093/clinchem/hvac002.
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